0.5 kg of Helium and 0.5 kg of nitrogen are mixed at 20°C and at a total pressure of 100 kPa. Find (a) the volume of the mixture (b) the partial volumes of the components (c) the partial pressures of the components (d) the mole fraction of the components (e) the specific heats cp and c, of the mixture and (f) the gas constant of the mixture.

0.5 kg of Helium and 0.5 kg of nitrogen are mixed at 20°C and at a total pressure of 100 kPa. Find (a) the volume of the mixture (b) the partial volumes of the components (c) the partial pressures of the components (d) the mole fraction of the components (e) the specific heats cp and c, of the mixture and (f) the gas constant of the mixture.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Properties of Pure Substances

A substance with fixed chemical composition throughout is called a pure substance like water, air, and nitrogen. A pure substance does not have to be a single element or compound. A mixture of two or more phases of a pure substance is also a pure substance as long as the chemical composition is the same for all phases. These substances mainly have a constant/ uniform composition. The substances also have fixed boiling and melting points. A pure substance takes part in a chemical reaction to form predictable products.

Question

0.5 kg of Helium and 0.5 kg of nitrogen are mixed at 20°C and at a total pressure of 100 kPa.
Find (a) the volume of the mixture (b) the partial volumes of the components (c) the partial
pressures of the components (d) the mole fraction of the components (e) the specific heats cp
and c, of the mixture and (f) the gas constant of the mixture.

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